Answer:

Step-by-step explanation:
Given the expression: 

We can re-write the answer as:

The answer is irrational because the sum of a rational number and irrational number is an irrational number.
<u>The correct option is B.</u>
1/2 which can be simplified in many forms such as 4/8 or 3/6 or 6/12
Answer:
40°
Step-by-step explanation:
∠AOE and ∠COD are vertical angles meaning they have the same value.